Mark....The 15 MHz frequency is internally generated. If you put your
frequency counter probe on the test point shown in the Omni 6 manual, it
will read the correct frequency. Follow the directions in the manual and it
works fine.
At 01:48 PM 2/12/98 +0100, you wrote:
>Hi Steve,
>
>Thanks for the answer, Ithink tuning the pbt would adjust the signal
>with teh 6MHZ filter pandpass but not with the 9Mhz filter bandpass. But
>I'd like to try this anyway, unfortunately I don't know how to tune the
>PBT board. The owner's manual speaks about tuning R18 for 15.3 Mhz wich
>is ok and tune C22 for 15.302.3 but I have no signal on this frequency.
>In the ARRL Hanbook, there is a description of the Omni VI and the PBT
>is tuned on 15.301 Mhz. So I don't know what to do ...
>
>Steve Ellington wrote:
>>
>> Can't you set the osc at 9.3mhz and adjust the bandpass tuning to
>> compensate for the filter difference? That's the only way the dial
>> will be accurate.
>>
>> Steve N4LQ
>>
>> HUERTAS Marc wrote:
>> >
>
>> > I would also want to know if there's a way to correct the frenquency
>> > counter wich is good on LSB but false (300 Hz) on USB. I think my
>> > carrier oscillators are correctly tuned acording to the bandpass filter
>> > but it is true that on LSB, I have 9.000MHZ and on USB I had to tune it
>> > on 9.002.7MHz instead of 9.003. With the USB Bfo on 9.003, the pitch is
>> > too high and really off the 9Mhz bandpass standard filter (and I can't
>> > use the 1.8).
>
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Chester Alderman
W4BQF -- Tom
chestert@pressroom.com
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